Add Yahoo as a preferred source to see more of our stories on Google. Astronomers have witnessed the birth of a solar system beyond our own for the first time. An international team of researchers has ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

This is HOPS-315, a baby star where astronomers have observed evidence for the earliest stages of planet formation. The image was taken with the Atacama Large Millimeter/submillimeter Array (ALMA), in ...